importance是可數名詞嗎?

Number the car's features from 1 to 10 according to importance.

將車的.特徵從1到10編號按重要性一一列出。

State your reasons in order of importance.

按重要性順序陳述你的理由。

Experience is what matters ─ age is of secondary importance.

重要的是經驗——年齡是次要的。

Reading is of vital importance in language learning.

閲讀在語言學習中至關重要。

It's a matter of the greatest importance to me.

這對我來説是最重要的事情。